International Commission on Zoological Nomenclature. Opinion 333 Confirmation of Mytilus edulis Linnaeus, 1758, as the type species of the genus Mytilus Linnaeus, 1758 (class Pelecypoda) (amplification of a ruling given in Opinion 94).Opinions and declarations rendered by the International Commission on Zoological Nomenclature 9(27), 369-384 (1955)